Given 2 Items/machines with an Investment Cost, expected lifetime, and maintenance cost, this will calculate the EAC for each Item/machine as well as draw a conclusion on which project to invest in.

This calculator has 7 inputs.

This calculator has 7 inputs.

- v = 1 / (1 + Cost of Capital)

Discount Factor = (1 - v^{n}) / Cost of Capital

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- annuity
- A stream of payments
- equivalent annual cost (eac)
- investment
- an asset or item acquired with the goal of generating income or appreciation.
- present value
- the value in the present of a sum of money, in contrast to some future value it will have when it has been invested at compound interest.

PV = FV/(1 + i)^{n}

where I is the interest rate per period, PV = Present Value, and FV = Future Value